Direct access to London's finest gemstones and workshops, guided personally by William, start to finish.
William designed his own bespoke engagement ring for his fiancée, using the network he'd built growing up in the industry. The struggle to find the right jeweller to guide that process is what prompted him to start William Jack, giving people access to luxury London jewellery at a price that's accessible and reflects the true value of the ring.
"I didn't just decide to start a jewellery business. I grew up in it."
No design in mind yet? That's normal: it comes from the conversation.
A feeling, a screenshot, a budget. That's plenty to start.
Honest options, matched to your taste and your budget.
Real London craftspeople, no high-street margin.
Priced for what actually went into it.
Full galleries live on Instagram and TikTok, a preview below.
You're priced on the stone, the craft and the expertise — and nothing else. No retail markup, no pressure, no silly showroom games. Just a straight conversation about the ring you've got in your head.
The everyday work, in real time
This is where most people first find us — come say hello.